IT Tools and Business System MCQ - English
For each attribute of a relation, there is a set of permitted values, called the
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For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
Answer : A
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1) Course(course_id,sec_id,semester)
Here the course_id,sec_id and semester are __________ and course is a _________
2) Department (dept name, building, budget) and Employee (employee_id , name, dept name,salary)
Here the dept_name attribute appears in both the relations .Here using common attributes in relation schema is one way of relating ___________ relations.
3) Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
4) A ________ in a table represents a relationship among a set of values.
5) The term attribute refers to a ___________ of a table.
